#输出不同类型变量的值
n=123
print('a=',n)
f=456.789
print('f=',f)
s1='Hello,word'
print('s1=',s1)
s2='Hello,\'Adam\''
print('s2=',s2)
s3=r'Hello,"Bart"'
print('s3=',s3)
s4=r'''Hello,Lisa!'''
print('s4=',s4)